package com.ybg.oss;
import com.qcloud.cos.COSClient;
import com.qcloud.cos.ClientConfig;
import com.qcloud.cos.request.UploadFileRequest;
import com.qcloud.cos.sign.Credentials;
import com.ybg.base.util.webexception.ResultException;
import net.sf.json.JSONObject;
import org.apache.commons.io.IOUtils;
import java.io.IOException;
import java.io.InputStream;

/**
 * 腾讯云存储
 * 
 * @author chenshun
 * @email sunlightcs@gmail.com
 * @date 2017-03-26 20:51
 */
public class QcloudCloudStorageService extends AbstractCloudStorageService {
    
    private COSClient client;
    
    public QcloudCloudStorageService(CloudStorageConfig config){
        this.config = config;
        // 初始化
        init();
    }
    
    private void init(){
        Credentials credentials = new Credentials(config.getQcloudAppId(), config.getQcloudSecretId(), config.getQcloudSecretKey());
        // 初始化客户端配置
        ClientConfig clientConfig = new ClientConfig();
        // 设置bucket所在的区域，华南：gz 华北：tj 华东：sh
        clientConfig.setRegion(config.getQcloudRegion());
        client = new COSClient(clientConfig, credentials);
    }
    
    @Override
    public String upload(byte[] data,String path){
        // 腾讯云必需要以"/"开头
        String qclouduploadhead = "/";
        String jsonCodeName = "code";
        if (!path.startsWith(qclouduploadhead)) {
            path = "/" + path;
        }
        // 上传到腾讯云
        UploadFileRequest request = new UploadFileRequest(config.getQcloudBucketName(), path, data);
        String response = client.uploadFile(request);
        JSONObject jsonObject = JSONObject.fromObject(response);
        if (jsonObject.getInt(jsonCodeName) != 0) {
            throw new ResultException("文件上传失败，" + jsonObject.getString("message"));
        }
        return config.getQcloudDomain() + path;
    }
    
    @Override
    public String upload(InputStream inputStream,String path){
        try {
            byte[] data = IOUtils.toByteArray(inputStream);
            return this.upload(data, path);
        } catch (IOException e) {
            e.printStackTrace();
            throw new ResultException("上传文件失败", e);
        }
    }
    
    @Override
    public String upload(byte[] data){
        return upload(data, getPath(config.getQcloudPrefix()));
    }
    
    @Override
    public String upload(InputStream inputStream){
        return upload(inputStream, getPath(config.getQcloudPrefix()));
    }
}